libra-3k electronic polyphase meter handbook - ABE Technologies

OKRW2.702.303SS, Libra-3K Poly-phase Meter Handbook v1.0
Description:
1) : The four small characters are used to display the current display
label or code. “CA” or “Er” appearing in this location indicates a Caution or
Error message in the display.
2) (Six big digits) display the value of quantities.
The open ◎ between the rightmost character and the character to its
left is a degree symbol for fundamental lagging phase angles.
The short bar to the left of the first large digit indicates a minus sign.
There are four possible decimal point positions located between the
five rightmost digits.
There are two colons located mid of six digits which is used to display
date and time.
3) TEST: the annunciator indicates the meter is in Test mode.
4) ALT: the Annunciator indicates the meter is in Alternate display mode.
5) Prev: this part of the display indicates the previous season or billing period
data is being shown.
6) ContCum: CUM is displayed when the meter is displaying cumulative demand
measurements. When CONT and CUM are displayed, it indicates that the
meter is displaying continuously cumulative demand measurements.
7) EOI: this display indicates an end of interval (EOI) condition.
8) : the potential indicators on the LCD (Va, Vb, Vc) appear only if the
service is polyphase and only then if potential is applied to the respective
phase. If blinking, the respective voltage is low.
9) Unit. The unit icon can display individually as –
“kWh”, ”kVArh” , ”kVAh”, ”kW”, ”V”, ”A”, “Hz”.
OPERATING INSTRUCTIONS 17 / 35